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Zac Farrell

PROFILE

Zac Farrell

Developed and maintained the parser_tools extension for the duckdb/community-extensions repository, enabling in-SQL query analysis and context extraction by leveraging DuckDB’s native parser. Focused on build management and dependency stabilization, the work included pinning dependencies to known-good commits to ensure reproducible builds and reduce CI failures. Enhanced the extension to support advanced SQL parsing, including WHERE clause and BETWEEN operator handling, and updated documentation with practical usage examples. Demonstrated expertise in C++, SQL, and build system configuration while aligning upstream changes and maintaining disciplined release practices. The contributions improved developer tooling and expanded query introspection capabilities for DuckDB users.

Overall Statistics

Feature vs Bugs

67%Features

Repository Contributions

4Total
Bugs
1
Commits
4
Features
2
Lines of code
135
Activity Months2

Work History

June 2025

2 Commits • 1 Features

Jun 1, 2025

June 2025 monthly summary for duckdb/community-extensions: Delivered Parser Tools Extension 0.2.0 with enhanced SQL WHERE parsing (including BETWEEN), aligned upstream and refreshed docs with parse_where and parse_where_detailed examples, improving query introspection and developer tooling. No major bugs fixed this month; primary accomplishments are feature delivery, documentation, and upstream alignment. Technologies demonstrated include extension development patterns, API design, release/versioning discipline, and contribution hygiene.

April 2025

2 Commits • 1 Features

Apr 1, 2025

April 2025 highlights: Delivered the DuckDB extension 'parser_tools' enabling in-SQL query analysis by leveraging DuckDB's native parser to extract referenced tables and context. Stabilized build by pinning the extension parser tools dependency to a known-good commit, reducing CI failures and ensuring reproducible builds. Overall, these efforts expanded product capabilities for developers and improved maintainability through disciplined dependency management.

Activity

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Quality Metrics

Correctness100.0%
Maintainability100.0%
Architecture100.0%
Performance100.0%
AI Usage20.0%

Skills & Technologies

Programming Languages

C++SQLYAML

Technical Skills

Build ManagementBuild System ConfigurationC++Database ExtensionsDependency ManagementDocumentationDuckDBSQL Parsing

Repositories Contributed To

1 repo

Overview of all repositories you've contributed to across your timeline

duckdb/community-extensions

Apr 2025 Jun 2025
2 Months active

Languages Used

C++SQLYAML

Technical Skills

Build ManagementC++Database ExtensionsDuckDBSQL ParsingBuild System Configuration